Wouldn't the 2psi version do everything this one does and more? They both have 0.001psi resolution.

If all you care about is 0.001 psi resolution, then you should be fine with the 2psi version. However, the 0.5psi version does have better resolution, as can clearly be seen in the spec sheet, ie, 0.01mmHg vs 0.1mmHg. So it just depends on your application, but it would be a pretty rare application that requires better resolution that 0.001psi.

Is it intrinicly safe for testing natural gas pressure?

No moving parts, and a sealed assembly would lead me to say yes.

This includes nist-traceable calibration certificate?

This does not come with the NIST traceable certificate. The Extech part number HD750-NIST will include the cert.

How many decimal places does this unit display to the right of the decimal when using "in wc"?

Two. It reads in hundredths of inches water column. It's probably not that accurate, but it displays them.

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Extech HD700 Differential Pressure Manometer, +/-2 psi, 11 Units, USB | 0.001 psi resolution, +/-0.3% FS, 11 pressure units, MIN/MAX/AVG, USB logging, hose, AC adapter, case

Extech HD700 Differential Pressure Manometer, +/-2 psi, 11 Units, USB | 0.001 psi resolution, +/-0.3% FS, 11 pressure units, MIN/MAX/AVG, USB logging, hose, AC adapter, case

Product ID: 14206229

Details

Brand
Extech
Item Weight
0.28 kg
Item dimensions L x W x H
2.9 x 2 x 10
Material
Plastic
Number of Items
1

💾USB data logging & PC interface

📏0.001 psi ultra-fine resolution

🔄11 pressure units switchable

MX$16088

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Description

📊 Elevate your pressure game with precision and power — don’t get left behind!

UNIT FLEXIBILITY - Seamlessly toggle among 11 pressure units to match any professional standard or project.
PINPOINT PRECISION - Experience ±0.3% full-scale accuracy for flawless HVAC and airflow diagnostics.
SMART DATA CAPTURE - Leverage MIN/MAX/AVG logging with time stamps for comprehensive pressure trend analysis.
PLUG PLAY LOGGING - USB connectivity with included software means effortless data transfer and reporting.
FIELD READY DURABILITY - Rugged housing, built-in stand, and hard case ensure your tool is always ready on the go.

The Extech HD700 Differential Pressure Manometer delivers ultra-precise ±2 psi measurements with 0.001 psi resolution and ±0.3% accuracy. Featuring 11 selectable pressure units, advanced MIN/MAX/AVG data logging, and a USB interface for seamless PC connectivity, it’s engineered for HVAC, clean-room, and industrial pros who demand reliable, portable, and versatile pressure diagnostics. Complete with a rugged case, hose, AC adapter, and battery, the HD700 is your all-in-one field-ready solution.

Specifications

ASIN	B001AGO9WS
Best Sellers Rank	#421,492 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #110 in Manometers
Brand Name	Extech
Customer Reviews	4.4 4.4 out of 5 stars (23)
Global Trade Identification Number	00793950107003
Included Components	HD700
Item Dimensions	2.9 x 2 x 10 inches
Item Weight	0.28 kg
Manufacturer	Extech
Material Type	Plastic
Model	HD700
Number of Items	1
Part Number	HD700
UPC	793950107003
Unit Count	1 Count
Warranty Description	Full three year warranty on parts and workmanship, unless otherwise specified. This warranty does not apply to defects resulting from action of the user such as misuse, improper wiring, operation outside of specification, improper maintenance or repair, or unauthorized modification.

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MX$16088

Duties & taxes included

In stock

Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Mexico.

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TrustScore 4.5 | 7,300+ reviews

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